Proceedings of the Rank Forum on Vitamin D

S A Lanham-New, J L Buttriss, L M Miles, M Ashwell, J L Berry, B J Boucher, K D Cashman, C Cooper, A L Darling, R M Francis, W D Fraser, C P G M de Groot, E Hyppönen, M Kiely, C Lamberg-Allardt, H M Macdonald, A R Martineau, T Masud, A Mavroeidi, C NowsonA Prentice, E M Stone, S Reddy, R Vieth, C M Williams

Research output: Contribution to journalArticlepeer-review


The Rank Forum on Vitamin D was held on 2nd and 3rd July 2009 at the University of Surrey, Guildford, UK. The workshop consisted of a series of scene-setting presentations to address the current issues and challenges concerning vitamin D and health, and included an open discussion focusing on the identification of the concentrations of serum 25-hydroxyvitamin D (25(OH)D) (a marker of vitamin D status) that may be regarded as optimal, and the implications this process may have in the setting of future dietary reference values for vitamin D in the UK. The Forum was in agreement with the fact that it is desirable for all of the population to have a serum 25(OH)D concentration above 25 nmol/l, but it discussed some uncertainty about the strength of evidence for the need to aim for substantially higher concentrations (25(OH)D concentrations>75 nmol/l). Any discussion of 'optimal' concentration of serum 25(OH)D needs to define 'optimal' with care since it is important to consider the normal distribution of requirements and the vitamin D needs for a wide range of outcomes. Current UK reference values concentrate on the requirements of particular subgroups of the population; this differs from the approaches used in other European countries where a wider range of age groups tend to be covered. With the re-emergence of rickets and the public health burden of low vitamin D status being already apparent, there is a need for urgent action from policy makers and risk managers. The Forum highlighted concerns regarding the failure of implementation of existing strategies in the UK for achieving current vitamin D recommendations.

Original languageEnglish
Pages (from-to)144-56
Number of pages13
JournalThe British Journal of Nutrition
Issue number1
Publication statusPublished - Jan 2011


  • Biomarkers
  • Diet
  • Evidence-Based Medicine
  • Humans
  • Nutrition Policy
  • Nutritional Requirements
  • Nutritional Status
  • Osteomalacia
  • Public Health
  • Reference Values
  • Rickets
  • United Kingdom
  • Vitamin D
  • Vitamin D Deficiency
  • Congresses


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